background image

 

 
   1.5.3.  Device’s  transducers  emit  special  high  frequency  sound  waves  (pattern  of  the  sound  is 
determined by software in accordance with the specially developed algorithm) with the sound pressure 
reaching 120 dB at 1 m (3,28 ft) distance from the transducers. Additionally, an acoustic speech-like 
signal  can  be  reproduced  by  connecting  external  acoustic  active  speakers  (for  example,  a  computer 
speaker system). 
   1.5.4. The device is powered by the installed battery of 18650 type or by the supplied external power 
source (charger).  
   1.5.5. The installed battery is charged by the supplied external power source (charger)  
 

2. INTENDED USE

 

 
        2.1. Operating restrictions

 

2.1.1. Ultrasonic pressure level of the operating device at a distance of 1 meter or less may exceed 

the  maximum  safety  level  of  emission  for  people  according  to  sanitary  regulations,  that  may  cause 
damage to your health!  

 
2.1.2.  Do  not  hold  the  running  device  in  close  proximity  to  a  person’s  ears  -  this  may  cause 

headaches and temporary hearing loss! 

 
2.1.3. Do not damage the ultrasonic transducers that are located behind the grid by foreign objects. 

Damage of the transducers may cause improper operation of the device or render it unusable! 

 
2.1.4. Do not cover or block the ultrasonic transducers or holes in housing, cover by your hand or 

piece of clothes while the device is in operation! 

 
2.1.5. Use only the supplied external power source (charger) for charging the installed battery. 
 
2.1.6. Children must not use the device! 
 
2.1.7. Most of the pets (dogs, cats, rodents, etc.) rather painfully react to ultrasonic waves, so please 

avoid the use of the device in their presence when applicable! 

 
2.1.8.  Store  the  device  with  fully  charged  batteries.  Monitor  the  batteries  charge  level,  do  not  let 

them be fully discharged! This way the batteries’ lifespan will be extended. 

 
2.2. Device usage

 

 

2.2.1. ON/OFF.  
In order to switch ON the device, press ON button (item 4). Then power indicator will start to flash 

(item 3). Turning off the Product is similar. 

 
2.2.2 Installed battery charge indication:  
–  Green  LED  of  the  switch  indicator  (item  3)  is  lit  constantly  -  device  is  running  normally,  the 

batteries charge is sufficient; 

– LED of the switch indicator (item 3) blinks 1 time per second - device is running, you need to 

connect an external power supply (charger); 

– LED of the switch indicator (item 3) blinks 2 times per second - batteries charge is critical, the 

device  does  not  work  (ultrasonic  and  acoustic  speech-like  signals  are  not  produced),  you  need  to 
urgently connect an external power supply (charger); 

– LED of the switch indicator (item 3) is not lit when the device is switched ON  - the battery is 

dead, you must charge the battery. 

 
2.2.3. Installed battery charging 
In order to charge the battery or to prevent its full discharge because of continuous running of the 

device,  you  need  to  insert  the  charger  plug  into  the  jack  (item  5).  Then  the  red  LED  of  the  power 

Содержание BugHunter DAudio bda-2 Ultrasonic

Страница 1: ...1 i4 Technology LLC Microphone dictaphone and voice recorder suppressor BugHunter DAudio bda 2 Ultrasonic with five US transducers User manual ...

Страница 2: ... well as acoustic speech like noise signal are used in jamming the eavesdropping devices Ultrasonic pressure level of the operating device at a distance of 1 meter or less may exceed the maximum safety level of emission for people according to sanitary regulations that may cause damage to your health Acoustic speech like noise signal is reproduced through an external speaker system The manufacture...

Страница 3: ...esdropping devices up to 7 m 22 97 ft 1 3 8 Effective optimal range of suppressing eavesdropping devices up to 2 m 6 56 ft 1 3 9 Sound pressure level at 1 m distance from the device no less 120 dB 1 3 10 Installed battery capacity 2500 mAh 1 4 Device components Device components and supplied package are shown in Table 1 Description Quantity 1 Microphone dictaphone and voice recorder suppressor Bug...

Страница 4: ...tion of the device s main parts 1 ultrasonic transducers 2 jack to connect an external acoustic system linear audio output 3 power indicator 4 on off button 5 power jack for an external power source charger 6 power indicator of the external power supply source charger 1 5 2 The device runs under command of micro controller with embedded software 1 2 3 3 4 3 6 5 ...

Страница 5: ...ation 2 1 5 Use only the supplied external power source charger for charging the installed battery 2 1 6 Children must not use the device 2 1 7 Most of the pets dogs cats rodents etc rather painfully react to ultrasonic waves so please avoid the use of the device in their presence when applicable 2 1 8 Store the device with fully charged batteries Monitor the batteries charge level do not let them...

Страница 6: ...ic speech like signal when you want the device to be hidden Note that this is somewhat reduces the effectiveness of the device the manufacturer cannot guarantee that if you use only one ultrasonic signal the device will suppress all voice recorders 3 MAINTENANCE Maintenance requires only charging of the installed battery as well as cleaning the surface of the device Current repair Troubleshooting ...

Страница 7: ...device fails during the warranty period the supplier manufacturer or companies providing maintenance services should replace or repair it at its own expense 5 6 Customer loses the right to obtain warranty service in the following cases After warranty term expiration Violation of the operation transportation and storage instructions Mechanical damages causing device failure after the purchase Manuf...

Отзывы: